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GoGeometry Action 20!
Author:
Tim Brzezinski
Topic:
Incircle or Inscribed Circle
Creation of this applet was inspired by a
tweet
from
Antonio Gutierrez
. What is the sum of the measures of the
red angle
and
blue angle
?
How can you formally prove this true?
GeoGebra
Quick (Silent) Demo
New Resources
Cross Product in 2D and 3D
Piano. Keyboard.
Play C3 E3 G3 C4_C4
Stairs (Optical Illusion)
Simplifying Radicals: Geometric Thin Slice
Discover Resources
explorations in euclidean geometry
Forum_36416_C2_decimalPlaces
Selection
Epsilon-Delta Jump Discontinuity Demo
عدد پی
Discover Topics
Scatter Plot
Orthocenter
Statistics
Special Points
Real Numbers